Beef Liver

Forbes.com: Top 10 Best Foods You Can Eat

Calories: 137 per 3 ounces
Nutrients: Rich in iron, vitamin A, biotin, choline, vitamin B12, vitamin B3 or niacin, vitamin B6, chromium, copper and phosphorus.

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Top 10 Best Food... According to an analysis by David Grotto, a registered dietitian and author of the forthcoming book "The Best Things You Can Eat," these 10 foods are the lowest in calories and are the most nutritious in terms of amount and richness of vitamins, minerals, healthy fats, fiber and protein.

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10 Fitness Myths Exposed
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The opinions expressed are solely those of the author and do not necessarily reflect the views of Comcast.
Beans Calories: 200 per cup
Nutrients: Rich in folate, vitamin B1 or thiamine, magnesium, molybdenum, soluble fiber, iron and potassium.

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10 Fitness Myths Exposed
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The opinions expressed are solely those of the author and do not necessarily reflect the views of Comcast.
Yogurt or Kiefer Calories: 140 per cup (plain low-fat or non-fat)
Nutrients: Rich in pantothenic acid, vitamin B2 or riboflavin, calcium, phosphorous, potassium and iodine.

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More from Forbes:
10 Fitness Myths Exposed
Eight Easy Steps to Lose Weight Fast
Best Exercises to Do At Your Desk

The opinions expressed are solely those of the author and do not necessarily reflect the views of Comcast.
Beef Liver Calories: 137 per 3 ounces
Nutrients: Rich in iron, vitamin A, biotin, choline, vitamin B12, vitamin B3 or niacin, vitamin B6, chromium, copper and phosphorus.

(Credit: Fuyuhiko Takaya/Getty Images)

More from Forbes:
10 Fitness Myths Exposed
Eight Easy Steps to Lose Weight Fast
Best Exercises to Do At Your Desk

The opinions expressed are solely those of the author and do not necessarily reflect the views of Comcast.
Salmon Calories: 157 per 3 ounces
Nutrients: Rich in biotin, vitamin B12, vitamin B3 or niacin, vitamin B6, vitamin D, potassium, omega-3 fatty acids and choline.

(Credit: Lilli Day/Getty Images)

More from Forbes:
10 Fitness Myths Exposed
Eight Easy Steps to Lose Weight Fast
Best Exercises to Do At Your Desk

The opinions expressed are solely those of the author and do not necessarily reflect the views of Comcast.
Mushrooms Calories: 15 per cup
Nutrients: Rich in biotin, vitamin B2, copper, chromium and pantothenic acid.

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10 Fitness Myths Exposed
Eight Easy Steps to Lose Weight Fast
Best Exercises to Do At Your Desk

The opinions expressed are solely those of the author and do not necessarily reflect the views of Comcast.
Lobster Calories: 65 per 3 ounces
Nutrients: Rich in pantothenic acid, copper, selenium and zinc.

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10 Fitness Myths Exposed
Eight Easy Steps to Lose Weight Fast
Best Exercises to Do At Your Desk

The opinions expressed are solely those of the author and do not necessarily reflect the views of Comcast.
Soy Beans Calories: 150 per half cup
Nutrients: Rich in vitamin B1, vitamin B2, iron, magnesium, phosphorus, insoluble and soluble fiber, omega-3 fatty acids, polyunsaturated fats and protein.

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10 Fitness Myths Exposed
Eight Easy Steps to Lose Weight Fast
Best Exercises to Do At Your Desk

The opinions expressed are solely those of the author and do not necessarily reflect the views of Comcast.
Oysters Calories: 85 per 3 ounces
Nutrients: Rich in vitamin B12, copper, iron, selenium and zinc.

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Eight Easy Steps to Lose Weight Fast
Best Exercises to Do At Your Desk

The opinions expressed are solely those of the author and do not necessarily reflect the views of Comcast.
Spinach Calories: 14 per two cups
Nutrients: Rich in folate, vitamin D, vitamin K, calcium, iron, magnesium and manganese.

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The opinions expressed are solely those of the author and do not necessarily reflect the views of Comcast.
Pork Calories: 196 per 3 ounces
Nutrients: Rich in biotin, choline, vitamin B3 or niacin, vitamin B6, vitamin B1 and zinc.

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10 Fitness Myths Exposed
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Best Exercises to Do At Your Desk

The opinions expressed are solely those of the author and do not necessarily reflect the views of Comcast.
10 Healthiest Sn... It's easy to munch on junk food at the office. Try these healthy alternatives instead.